1 /*
2  * NXP ISP1301 USB transceiver driver
3  *
4  * Copyright (C) 2012 Roland Stigge <stigge@antcom.de>
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; version 2 of the License.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  */
16 
17 #ifndef __LINUX_USB_ISP1301_H
18 #define __LINUX_USB_ISP1301_H
19 
20 #include <linux/of.h>
21 
22 /* I2C Register definitions: */
23 
24 #define ISP1301_I2C_MODE_CONTROL_1	0x04	/* u8 read, set, +1 clear */
25 
26 #define MC1_SPEED_REG			(1 << 0)
27 #define MC1_SUSPEND_REG			(1 << 1)
28 #define MC1_DAT_SE0			(1 << 2)
29 #define MC1_TRANSPARENT			(1 << 3)
30 #define MC1_BDIS_ACON_EN		(1 << 4)
31 #define MC1_OE_INT_EN			(1 << 5)
32 #define MC1_UART_EN			(1 << 6)
33 #define MC1_MASK			0x7f
34 
35 #define ISP1301_I2C_MODE_CONTROL_2	0x12	/* u8 read, set, +1 clear */
36 
37 #define MC2_GLOBAL_PWR_DN		(1 << 0)
38 #define MC2_SPD_SUSP_CTRL		(1 << 1)
39 #define MC2_BI_DI			(1 << 2)
40 #define MC2_TRANSP_BDIR0		(1 << 3)
41 #define MC2_TRANSP_BDIR1		(1 << 4)
42 #define MC2_AUDIO_EN			(1 << 5)
43 #define MC2_PSW_EN			(1 << 6)
44 #define MC2_EN2V7			(1 << 7)
45 
46 #define ISP1301_I2C_OTG_CONTROL_1	0x06	/* u8 read, set, +1 clear */
47 
48 #define OTG1_DP_PULLUP			(1 << 0)
49 #define OTG1_DM_PULLUP			(1 << 1)
50 #define OTG1_DP_PULLDOWN		(1 << 2)
51 #define OTG1_DM_PULLDOWN		(1 << 3)
52 #define OTG1_ID_PULLDOWN		(1 << 4)
53 #define OTG1_VBUS_DRV			(1 << 5)
54 #define OTG1_VBUS_DISCHRG		(1 << 6)
55 #define OTG1_VBUS_CHRG			(1 << 7)
56 
57 #define ISP1301_I2C_OTG_CONTROL_2	0x10	/* u8 readonly */
58 
59 #define OTG_B_SESS_END			(1 << 6)
60 #define OTG_B_SESS_VLD			(1 << 7)
61 
62 #define ISP1301_I2C_INTERRUPT_SOURCE	0x8
63 #define ISP1301_I2C_INTERRUPT_LATCH	0xA
64 #define ISP1301_I2C_INTERRUPT_FALLING	0xC
65 #define ISP1301_I2C_INTERRUPT_RISING	0xE
66 
67 #define INT_VBUS_VLD			(1 << 0)
68 #define INT_SESS_VLD			(1 << 1)
69 #define INT_DP_HI			(1 << 2)
70 #define INT_ID_GND			(1 << 3)
71 #define INT_DM_HI			(1 << 4)
72 #define INT_ID_FLOAT			(1 << 5)
73 #define INT_BDIS_ACON			(1 << 6)
74 #define INT_CR_INT			(1 << 7)
75 
76 #define ISP1301_I2C_REG_CLEAR_ADDR	1	/* Register Address Modifier */
77 
78 struct i2c_client *isp1301_get_client(struct device_node *node);
79 
80 #endif /* __LINUX_USB_ISP1301_H */
81